217089957

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2833}}^1$

素因数の和:2973

約数の個数: 32

約数和(自身を含む): 342800640

約数和(自身を除く): 125710683

約数列:

[1, 3, 7, 21, 41, 89, 123, 267, 287, 623, 861, 1869, 2833, 3649, 8499, 10947, 19831, 25543, 59493, 76629, 116153, 252137, 348459, 756411, 813071, 1764959, 2439213, 5294877, 10337617, 31012851, 72363319, 217089957]

約数ペア:

[(1, 217089957), (3, 72363319), (7, 31012851), (21, 10337617), (41, 5294877), (89, 2439213), (123, 1764959), (267, 813071), (287, 756411), (623, 348459), (861, 252137), (1869, 116153), (2833, 76629), (3649, 59493), (8499, 25543), (10947, 19831)]